Substrate for liquid crystal display,liquid crystal display having the same,and having pixel aperture geometry of slits and finer slits

Abstract

It is an object of the invention to provide a substrate for a liquid crystal display, a liquid crystal display having the same, and a method of manufacturing the same which make it possible to provide a display having high luminance and preferable display characteristics to be used in display sections of information apparatuses and the like. Each pixel is defined by gate bus lines extending in the horizontal direction and drain bus lines extending in the vertical direction. TFTs are formed in the vicinity of intersections between the bus lines, and resin overlap sections for shielding the TFTs from light are formed above the same. No black matrix is formed on a common electrode substrate which is provided in a face-to-face relationship with a TFT substrate, and the bus lines and the resin overlap sections formed on the TFT substrate function as a black matrix.

1. A liquid crystal display substrate, comprising:
 a base substrate which sandwiches a liquid crystal having negative dielectric anisotropy in combination with an opposite substrate provided in a face-to-face relationship therewith; 
 a plurality of gate bus lines formed on the base substrate 
 a plurality of drain bus lines formed on the base substrate such that they intersect the gate bus lines; 
 pixel regions defined by the gate bus lines and the drain bus lines; 
 a thin film transistor formed in each of the pixel regions; 
 a resin color filter layer formed in each of the pixel regions; 
 a pixel electrode formed in each of the pixel regions; and 
 an alignment regulating structure formed on the base substrate for regulating the alignment of the liquid crystal, said alignment structure including a plurality of first slits and second finer slits formed on the base substrate at an angle to edges of the pixel regions, the first slits being formed at predetermined intervals, the second finer slits extending substantially perpendicular to the extending direction of the first slits, the intervals between the second finer slits being smaller than the intervals between the first slits, the first and second finer slits being formed by removing a sectional portion of the pixel electrode directly above the color filter. 
 
     
     
       2. A liquid crystal display substrate according to  claim 1 , further comprising an opaque film for shielding edges of the pixel regions from light. 
     
     
       3. A liquid crystal display substrate according to  claim 2 , wherein the opaque film is formed by laminating the resin color filter layers. 
     
     
       4. A liquid crystal display substrate according to  claim 1 , wherein the pixel electrode is formed on the resin color filter layer. 
     
     
       5. A liquid crystal display substrate according to  claim 4 , wherein the pixel electrode is formed such that the electrode overlaps the drain bus lines when viewed in a direction perpendicular to a surface of the base substrate. 
     
     
       6. A liquid crystal display substrate according to  claim 4 , wherein the pixel electrode is formed such that the electrode does not overlap the drain bus lines when viewed in a direction perpendicular to a surface of the base substrate. 
     
     
       7. A liquid crystal display substrate according to  claim 1 , further comprising a columnar spacer for maintaining a cell gap, tile columnar spacer being formed by laminating resin layers formed on the substrate. 
     
     
       8. A liquid crystal display substrate according to  claim 7 , wherein the resin layers include the resin color filter layers. 
     
     
       9. A liquid crystal display substrate according to  claim 7 , wherein tile resin layers include a black resin layer. 
     
     
       10. A liquid crystal display substrate according to  claim 7 , wherein the resin layers include a layer in which the linear protrusion is formed. 
     
     
       11. A liquid crystal display comprising two substrates and a liquid crystal sealed between the substrates, wherein a liquid crystal display substrate according to  claim 1  is used as at least either of the substrates. 
     
     
       12. A liquid crystal display substrate, comprising:
 a base substrate which sandwiches a liquid crystal having negative dielectric anisotropy in combination with an opposite substrate provided in a face-to-face relationship therewith; 
 a plurality of gate bus lines formed on the base substrate; 
 a plurality of drain bus lines formed on the base substrate such that the drain bus lines intersect the gate bus lines; 
 pixel regions defined by the gate bus lines and the drain bus lines; 
 a thin film transistor formed in each of the pixel regions; 
 a resin color filter layer formed in each of the pixel regions; 
 a pixel electrode formed in each of the pixel regions; and 
 an alignment regulating structure formed on the base substrate for regulating the alignment of the liquid crystal, said alignment structure including a plurality of first slits and second finer slits formed on the base substrate at an angle to edges of the pixel regions, the first slits being formed at predetermined intervals, the second finer slits extending substantially perpendicular to the extending direction of the first slits, the intervals between the second finer slits being smaller than the intervals between tile first slits, the first and second finer slits being a slit formed by removing a sectional portion of the pixel electrode on a flat surface.